Parker Hannifin 88-020292-01 A manual Cable Shielding, Clamp Type

Cable Shielding

All cables must maintain high integrity 360 degree shielding, and be constructed with at least 85% braid coverage. When you install inputs and outputs, you must observe proper noise immunity standards. See the EMC Installation drawing at the end of this appendix.

Ferrite Absorbers

To meet the requirements of the EMC directive, you must add clip-on ferrite absorbers to all cables. Compumotor recommends a ferrite with at least 200 ohm impedance at 100 MHz, such as:

Steward Ferrite	part number 28A2024
Fair-Rite	part number 0443164151

(These ferrites are available from Compumotor, part number 47-015956-01)

Enclosure Mounting the E-AC Drive

The enclosure must be properly earthed and paint must be removed from drive mounting and RF earth bonding locations. Proper shield termination of all cables entering and exiting the enclosure is required. The motor shield (braid) must be fastened close to the drive’s heatsink. The shield must not make contact with other conductors, as this will cause common mode drive generated PWM current to flow where not expected. The shields of all other cables that enter or exit the enclosure must be RF bonded to the enclosure entrance point via R-Clamp, bulkhead clamshell clamp, or other 360° bonding technique. This ensures that no stray noise will enter or exit the enclosure. The next drawing illustrates 360° bonding techniques.

R-Clamp	Remove outer jacket only.
	Do not cut braid.

Bulkheak

Clamshell Clamp

Bulkheak

Clamshell Clamp

Enclosure Panel	Enclosure Panel
	Cable
	Cable

360° Bonding Techniques

The following clamps and clamp kits are available from Compumotor.

Clamp Type:	Compumotor Part Number:
R-Clamp	58-016050-01
R-Clamp Kit (10 per)	R CLAMP KIT
Bulkhead Clamshell Clamp	53-016131-01
Clamshell Clamp Kit (2 per)	CLAMSHELL KIT

44 E-AC Drive Hardware Installation Guide Appendix B – Regulatory Compliance: UL and CE